Motor-sled.



J. F. CAKES.

MOTOR SLED.

APPLICATION FILED JUNE 10, 1913.

1,698,523. Patented June 2, 19m.

3 BHEBTB-SHEET 1.

LVVEVTOR.

Jdzn .2 045% .J. F. OAKES.

MOTOR SLED.

AEPLIOATION FILED JUN Patenteci June 2, 1914 3 SEEETS-SHEET 2.

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J. F. OAKES.

MOTOR SLED.

APPLICATION FILED JUNE 10, 1913.

Patented June 2, 1914.

3 SHEETS-SHEET 3.

Smwzutoz JZZnF Ua/Z e UNITED STATES PATENT OFFICE.

Joan answers oexns, or c'oros, MINNESOTA.

v noron snnn.

' i T all whom it may concern:

v Be it known that I, JOHN FRANCIS OAKns, a citizen of the UnitedStates, residing at Copos,'in the county, of Washington and State ofMinnesota, have invented certain new and useful Improvements in Motor-.Sleds, of wh' h the following is a specification.

My invent-ion relates to improvements'in motor sleds, adapted forcarrying or draw ing light or heavy loads and operated by motive power.such as steam, electricity, or gasolene, and one object of the inventionis the rovision of a sled of this character whic can beeasilycontrolled,which can be operated with a comparatively small amountof power and which will travel in a rapid and smooth manner.

Another object of my invention is the provision of-a motor driven sledwhich 'will be strong and durable, inexpensiveof production and.thoroughly-efficient and practical in every respect.

With these objects in view my invention consists of a motor driven sledembodying novel features of construction and combination of parts forservice, substantially as shown, described and particularly pointed outin-the claims.

Figure lis a side'elevation of a motor drivensled constructed inaccordance with and embodying my invention. Fig. 2 18 a top plan view ofthe complete sled, the motor o pe;rati'ng mechanism not being shown.Fig. is a perspective view of one of the bearings which forpi themounting for the y, wheelsiv-hich guide-the driving chain. Fig.

A is a sideele'vation, partly broken away 6 one of the forward sleds orrunners taken on an enlarged scale. Fig. 5 1s a detail view of the meansfor securing or looking the adjusting rods used-in conjunction with thebearing boxes for the upper set of guide pulleys or wheels, and Fig. (iis a perspective view of one of the links of which the drive chains arecomposed,

In describing the construction of my sled the parts will be referred toby numerals, and the same part will be designated by the same numeral ineach figure of the drawings.

The frame or supporting structure of my sled is oblong or rectangularand consists of the'twopairs of longitudinal or side rails 1.,

.which are disposed parallel and arranged a suitable distance apart, andare at their Sp e 'eif pation of Letters Patent. Application file dJune10, 1913. Serial No. 772,?65.

' at 25, to one-of the cross Patented June 2, 1914.

ends connected by cross ieces 2, and between said end pieces are isposedthe series of intermediate cross pieces or rails. 3 th whole fdrming alight structure possessing great strength and durability.

From the forward portion of the frame rises the pair of uprights 4,connected by the horizontal strip 5, and the uprights are provided withbearings 6, in which is mounted-the drum shaft 7 having'the hand wheel8, for turning said shaft, said wheel being disposed conveniently to theopcrators seat 9. p

Arranged under the forward portion of the-frame is the pair of frontrunners 10, connected by the strip 11, and one of said runners hasmounted thereon the arm 1:2,

which carries the sighting or guiding device 13, which enables theoperator to properly guide or steer the sled. Upon the runners ismounted the pair of open boxes 14, in which fits the blocks 15, havingopenings 16, to receive the shaft bearing 17 and provided with verticaltrunnions 18, which bear in openings 19, of said open frames 14.

From this construction it will be observed that the'pair of frontrunners are mounted in such a manner as to permit of their movement tothe right or left in guiding the sled and to efiect this movement Iprovide the pair of cords or chains 20, having one end connected freelyat 21, to the stu'ds 22, and said cords or chains pass around the drumshaft as shown at 23, and the turning of said shaft by meansof the handor steering wheel winds thecords or chains in either direction,according to the direction of travel of the sled. I

It is evident from the construction described that the sledcanbe easilycontrolled by the operator and the direction of travel be readily guidedby means of the guiding device and also that the cords or chains willinstantly turn therunners either to the right or left. and to keep thecords or chains taut under all conditions as well as to properly guidethem I provide the pair of grooved guiding rollers 2-1, which receiveand properly retain said chains or connections. the latter having theirends secured pieces of the frame.

To the rear of the frame upon the twopairs of longitudinal rails aresecuredthe brackets 26, which are provided with bearings 27, for thedrivingshaft 28, said shaft tran'ies 253, in \v'l n in carrying the pairof driving sprocket wheels 29. and having till-won the driving pulley30, micron-Li, by tllelmlt 31, from the driving pulley of tliocngiuc ormotor 32, from which construction it will be observed that the powerfrom the motor serves to drive the shaft with i, sprocket whee Upon theno shaft is pivotally mounted the out; ends of the pairs of open innerends are formed elongated Uphill 112B 3 1, in which fit the boxes 35, inwhich are journaled the bearings 36, of the grooved guide wheels 37, theboxes being provided with threaded sockets 38, which receive thethreaded adjusting rods 3!), having the heads 40, for manipulating saidrods, and said heads are locked in ad 'usrcd positiijm'by means of thebail 41, having rnds42, bent at an angle and ring openings 43, in theheads of said adji ting rods From this construction it will be observedthat the two pairs/t open frames which form the guides for the chainsare pivoted and retained in this manner atone end while the inner end.is 'free and carries adjustable chain guiding wheels, and at the innernd said frames are provided with a propel-ion 44, in which projectionsfits the rods to, having at th ir. lower ends a head 46, hearing againstthe cross piece and ing upward through the cross iece and projections54, with their threadet ends re; ceiving an :ulii :in g: nut 47, andaround said roofs placed the coilsprings 48, which bear agai1.::.- t theprojections and adjusting nuts and form cushions or yielding connectionsfor the inner ends of the fra'n'ies. causing said frames to have an:uxconuncdating movement or action to agree with. the movement of therunners or rear sleds d9.

The two sets oi rear runners 49, are formed with clninncls 50, and areprovided with a vertical portion or bracket 51, in which are bearings 52:for the shaft 53 on which the roar .r'unners are mounted to rock, saidrunners being flexibly connected with one-oi the cross pieces of theframe by means of we pair of chains or cords 54, which allow the 1')1'-,T' movement of said runners.

To the pair of frames and between the same is pivotal y mounted at theair of nusinbcrs each having depen ing therefrom the pairs of wheelbearing arms 57, having openingst S, to receive the jour na ls 59,v atthe lower ohain-guiding-wheels '90, said bearing arms being formed withinclined uuiirds G1, which serve to throw the snow or accmnulation awayfrom the wheels and thereby prevent the wheels/from lawns: clogged.

'roin this C012? the y I provide a n h support a h i which wheelOfll'llt lotion it will be observed 1: of open pivoted frames pair ofwheel carriers, are pivoted to the V n 111. the of the pivoted from andalso by the guiding wheels mounh d ill the pivoted members carried bysaid open frame, and also that the driving chains pass through theopenings or channels of the rear runners and have their cupped portions63 of their chain links 64, cut into the surface below the rear runners,as shown in Fig. 1. The chain sections are each formed with connectinghooks 65, and with o enings G6, in their cupped portions 63, w ichpermits of the sections being connected to provide the chain and theupper edge of the cupped portion of each chain link or section ispreferably formed with a sharp edge 67, causing the chain to bite intoand secure a hold on the snow or ice.

The operation of my sled will be readily understood from the fore ingdescription taken in connection with t e accompanying drawings, and thepower from the motor revolves the driving shaft, which imparts travel tothe pair of driving chains which cut into the snow or ice and propel thesled, the operator controlling the stoerin of the sled by means of thewheel whic operates the drum shaft connected with the forward runners,as will be readily under stood. It is evident that I provide l motorsled which can be easily managed or controlled, which is strong anddurable and capable f production at a low rice and which'w 1 provepractical and deslrable for the purposes intended.

I claim:

1. A motor driven sled, consisting of a frame, a pair of forward runnersmounted in the frame and capable of a lateral movement, means forcontrolling the movement of said runners, a pair of open frames pivoted.in the rear of the main frame, the driving shaft mounted in the framesand forming the pivotal connection for said frames, a motor for drivingsaid shaft, a pair of rear runners mounted loosely upon the main frame,a pair of pivoted members carried b said pair of open frames and havindepen ing arms provided with wheel arin wheels mounted in said bearings,sproc et wheels carried by the driving shaft and at ranged between the.pivoted ends ofsaid open frames, :1. pair of drive chains passing aroundthe sprocket wheels and over the said wheels "and through the pair ofrear runners to engage the surface for propelling the sled.

A. motor driven sled, consisting of a frame, a pair of forward runnersmounted in the frame and capable of'a lateral 0). swinging movement,means for Controlling the movement of said runners for guiding the sled,a motor mounted on the frame, a driving connection leading from themotor, a driving shaft mounted in the frame and receiving motion fromthe driving connection, a air of sprocket wheels, secured on the drivingshaft, a pair of open frames having their outer ends pivoted on saiddriving shaft, a pair of adjustable chain guiding wheels mounted in theinner free ends of said pivoted frames, spring connections between theinner ends of said pivoted frames and the main frame, a pair of rearrunners flexibly connected with the main frame and formed with channels,wheel carriers pivotally mounted in the open frames and provided withguards, wheels mounted in said carriers, drive chains passing over thesprocket wheels, the foward adjustable guide wheels, the wheels of thepivoted carriers and through the channels of the runners.

3. In a motor driven sled, the combination with the main frame, theforward runners, the guiding mechanism for said runners, the motor, therear runners, the driving chains, the open pivoted frame having theelongated openings in their inner ends, the sliding JOHN FRANCIS OAKES.

Witnesses:

C. J. RUPPERT, WM. N. Moonn.

